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57-21

Item No. 57-21

MAIN DIMENSIONS AND STANDARD PARTICULARS
ANSI Class		57-21
Creepage Distance, mm		356
Dry Arcing Distance, mm		165
Cantilever Strength, kn		12.5
Low Frequency Flashover Voltage	Dry, kv	80
	Wet, kv	70
Critical Impulse Flashover Voltage	Pos., kv	130
	Neg., kv	155
Test Voltage to Ground, kv		15
Maximum RIV at 1000KHZ, μv		100
Net Weight, Each Approx., kg		7.5